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Searched refs:crc (Results 1 – 25 of 431) sorted by relevance

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/linux/lib/crc/mips/
H A Dcrc32.h31 #define __CRC32(crc, value, op, SZ, TYPE) \ argument
39 : "+r" (crc) \
43 #define _CRC32_crc32b(crc, value) __CRC32(crc, value, crc32b, 0, 0) argument
44 #define _CRC32_crc32h(crc, value) __CRC32(crc, value, crc32h, 1, 0) argument
45 #define _CRC32_crc32w(crc, value) __CRC32(crc, value, crc32w, 2, 0) argument
46 #define _CRC32_crc32d(crc, value) __CRC32(crc, value, crc32d, 3, 0) argument
47 #define _CRC32_crc32cb(crc, value) __CRC32(crc, value, crc32cb, 0, 1) argument
48 #define _CRC32_crc32ch(crc, value) __CRC32(crc, value, crc32ch, 1, 1) argument
49 #define _CRC32_crc32cw(crc, value) __CRC32(crc, value, crc32cw, 2, 1) argument
50 #define _CRC32_crc32cd(crc, value) __CRC32(crc, value, crc32cd, 3, 1) argument
[all …]
/linux/lib/crc/arm64/
H A Dcrc32.h10 asmlinkage u32 crc32_le_arm64(u32 crc, unsigned char const *p, size_t len);
11 asmlinkage u32 crc32c_le_arm64(u32 crc, unsigned char const *p, size_t len);
12 asmlinkage u32 crc32_be_arm64(u32 crc, unsigned char const *p, size_t len);
14 asmlinkage u32 crc32_le_arm64_4way(u32 crc, unsigned char const *p, size_t len);
15 asmlinkage u32 crc32c_le_arm64_4way(u32 crc, unsigned char const *p, size_t len);
16 asmlinkage u32 crc32_be_arm64_4way(u32 crc, unsigned char const *p, size_t len);
18 static inline u32 crc32_le_arch(u32 crc, const u8 *p, size_t len) in crc32_le_arch() argument
21 return crc32_le_base(crc, p, len); in crc32_le_arch()
26 crc = crc32_le_arm64_4way(crc, p, len); in crc32_le_arch()
32 return crc; in crc32_le_arch()
[all …]
/linux/lib/crc/
H A Dcrc32-main.c35 crc32_le_base(u32 crc, const u8 *p, size_t len) in crc32_le_base() argument
38 crc = (crc >> 8) ^ crc32table_le[(crc & 255) ^ *p++]; in crc32_le_base()
39 return crc; in crc32_le_base()
43 crc32_be_base(u32 crc, const u8 *p, size_t len) in crc32_be_base() argument
46 crc = (crc << 8) ^ crc32table_be[(crc >> 24) ^ *p++]; in crc32_be_base()
47 return crc; in crc32_be_base()
51 crc32c_base(u32 crc, const u8 *p, size_t len) in crc32c_base() argument
54 crc = (crc >> 8) ^ crc32ctable_le[(crc & 255) ^ *p++]; in crc32c_base()
55 return crc; in crc32c_base()
72 u32 crc32_le(u32 crc, const void *p, size_t len) in crc32_le() argument
[all …]
H A Dcrc64-main.c44 crc64_be_generic(u64 crc, const u8 *p, size_t len) in crc64_be_generic() argument
47 crc = (crc << 8) ^ crc64table[(crc >> 56) ^ *p++]; in crc64_be_generic()
48 return crc; in crc64_be_generic()
52 crc64_nvme_generic(u64 crc, const u8 *p, size_t len) in crc64_nvme_generic() argument
55 crc = (crc >> 8) ^ crc64nvmetable[(crc & 0xff) ^ *p++]; in crc64_nvme_generic()
56 return crc; in crc64_nvme_generic()
66 u64 crc64_be(u64 crc, const void *p, size_t len) in crc64_be() argument
68 return crc64_be_arch(crc, p, len); in crc64_be()
72 u64 crc64_nvme(u64 crc, const void *p, size_t len) in crc64_nvme() argument
74 return ~crc64_nvme_arch(~crc, p, len); in crc64_nvme()
H A Dgen_crc64table.c20 uint64_t i, j, c, crc; in generate_reflected_crc64_table() local
23 crc = 0ULL; in generate_reflected_crc64_table()
27 if ((crc ^ (c >> j)) & 1) in generate_reflected_crc64_table()
28 crc = (crc >> 1) ^ poly; in generate_reflected_crc64_table()
30 crc >>= 1; in generate_reflected_crc64_table()
32 table[i] = crc; in generate_reflected_crc64_table()
38 uint64_t i, j, c, crc; in generate_crc64_table() local
41 crc = 0; in generate_crc64_table()
45 if ((crc ^ c) & 0x8000000000000000ULL) in generate_crc64_table()
46 crc = (crc << 1) ^ poly; in generate_crc64_table()
[all …]
H A Dgen_crc32table.c21 uint32_t crc = 1; in crc32init_le_generic() local
26 crc = (crc >> 1) ^ ((crc & 1) ? polynomial : 0); in crc32init_le_generic()
28 tab[i + j] = crc ^ tab[j]; in crc32init_le_generic()
48 uint32_t crc = 0x80000000; in crc32init_be() local
53 crc = (crc << 1) ^ ((crc & 0x80000000) ? CRC32_POLY_BE : 0); in crc32init_be()
55 crc32table_be[i + j] = crc ^ crc32table_be[j]; in crc32init_be()
H A DMakefile9 obj-$(CONFIG_CRC_CCITT) += crc-ccitt.o
10 obj-$(CONFIG_CRC_ITU_T) += crc-itu-t.o
12 obj-$(CONFIG_CRC_T10DIF) += crc-t10dif.o
13 crc-t10dif-y := crc-t10dif-main.o
16 crc-t10dif-$(CONFIG_ARM) += arm/crc-t10dif-core.o
17 crc-t10dif-$(CONFIG_ARM64) += arm64/crc-t10dif-core.o
18 crc-t10dif-$(CONFIG_PPC) += powerpc/crct10dif-vpmsum_asm.o
19 crc-t10dif-$(CONFIG_RISCV) += riscv/crc16_msb.o
20 crc-t10dif-$(CONFIG_X86) += x86/crc16-msb-pclmul.o
/linux/lib/crc/loongarch/
H A Dcrc32.h15 #define _CRC32(crc, value, size, type) \ argument
19 : "+r" (crc) \
24 #define CRC32(crc, value, size) _CRC32(crc, value, size, crc) argument
25 #define CRC32C(crc, value, size) _CRC32(crc, value, size, crcc) argument
29 static inline u32 crc32_le_arch(u32 crc, const u8 *p, size_t len) in crc32_le_arch() argument
32 return crc32_le_base(crc, p, len); in crc32_le_arch()
37 CRC32(crc, value, d); in crc32_le_arch()
45 CRC32(crc, value, w); in crc32_le_arch()
52 CRC32(crc, value, h); in crc32_le_arch()
59 CRC32(crc, value, b); in crc32_le_arch()
[all …]
/linux/lib/crc/riscv/
H A Dcrc-clmul-template.h77 crc_clmul_prep(crc_t crc, unsigned long msgpoly) in crc_clmul_prep() argument
80 return msgpoly ^ crc; in crc_clmul_prep()
82 return msgpoly ^ ((unsigned long)crc << (BITS_PER_LONG - CRC_BITS)); in crc_clmul_prep()
154 crc_clmul_update_long(crc_t crc, unsigned long msgpoly, in crc_clmul_update_long() argument
157 return crc_clmul_long(crc_clmul_prep(crc, msgpoly), consts); in crc_clmul_update_long()
162 crc_clmul_update_partial(crc_t crc, const u8 *p, size_t len, in crc_clmul_update_partial() argument
180 msgpoly ^= (unsigned long)crc << (BITS_PER_LONG - 8*len); in crc_clmul_update_partial()
182 msgpoly ^= (unsigned long)crc << (8*len - CRC_BITS); in crc_clmul_update_partial()
187 msgpoly ^= (unsigned long)crc << (BITS_PER_LONG - 8*len); in crc_clmul_update_partial()
188 return crc_clmul_long(msgpoly, consts) ^ (crc >> (8*len)); in crc_clmul_update_partial()
[all …]
H A Dcrc32.h13 static inline u32 crc32_le_arch(u32 crc, const u8 *p, size_t len) in crc32_le_arch() argument
16 return crc32_lsb_clmul(crc, p, len, in crc32_le_arch()
18 return crc32_le_base(crc, p, len); in crc32_le_arch()
21 static inline u32 crc32_be_arch(u32 crc, const u8 *p, size_t len) in crc32_be_arch() argument
24 return crc32_msb_clmul(crc, p, len, in crc32_be_arch()
26 return crc32_be_base(crc, p, len); in crc32_be_arch()
29 static inline u32 crc32c_arch(u32 crc, const u8 *p, size_t len) in crc32c_arch() argument
32 return crc32_lsb_clmul(crc, p, len, in crc32c_arch()
34 return crc32c_base(crc, p, len); in crc32c_arch()
/linux/drivers/net/can/spi/mcp251xfd/
H A Dmcp251xfd-crc16.c58 static inline u16 mcp251xfd_crc16_byte(u16 crc, const u8 data) in mcp251xfd_crc16_byte() argument
60 u8 index = (crc >> 8) ^ data; in mcp251xfd_crc16_byte()
62 return (crc << 8) ^ mcp251xfd_crc16_table[index]; in mcp251xfd_crc16_byte()
65 static u16 mcp251xfd_crc16(u16 crc, u8 const *buffer, size_t len) in mcp251xfd_crc16() argument
68 crc = mcp251xfd_crc16_byte(crc, *buffer++); in mcp251xfd_crc16()
70 return crc; in mcp251xfd_crc16()
75 u16 crc = 0xffff; in mcp251xfd_crc16_compute() local
77 return mcp251xfd_crc16(crc, data, data_size); in mcp251xfd_crc16_compute()
83 u16 crc; in mcp251xfd_crc16_compute2() local
85 crc = mcp251xfd_crc16_compute(cmd, cmd_size); in mcp251xfd_crc16_compute2()
[all …]
/linux/tools/power/acpi/tools/acpidbg/
H A Dacpidbg.c123 static int acpi_aml_read(int fd, struct circ_buf *crc) in acpi_aml_read() argument
128 p = &crc->buf[crc->head]; in acpi_aml_read()
129 len = circ_space_to_end(crc); in acpi_aml_read()
134 crc->head = (crc->head + len) & (ACPI_AML_BUF_SIZE - 1); in acpi_aml_read()
138 static int acpi_aml_read_batch_cmd(int unused, struct circ_buf *crc) in acpi_aml_read_batch_cmd() argument
144 p = &crc->buf[crc->head]; in acpi_aml_read_batch_cmd()
145 len = circ_space_to_end(crc); in acpi_aml_read_batch_cmd()
155 crc->head = (crc->head + len) & (ACPI_AML_BUF_SIZE - 1); in acpi_aml_read_batch_cmd()
159 static int acpi_aml_read_batch_log(int fd, struct circ_buf *crc) in acpi_aml_read_batch_log() argument
165 p = &crc->buf[crc->head]; in acpi_aml_read_batch_log()
[all …]
/linux/lib/crc/arm/
H A Dcrc32.h24 static inline u32 crc32_le_scalar(u32 crc, const u8 *p, size_t len) in crc32_le_scalar() argument
27 return crc32_armv8_le(crc, p, len); in crc32_le_scalar()
28 return crc32_le_base(crc, p, len); in crc32_le_scalar()
31 static inline u32 crc32_le_arch(u32 crc, const u8 *p, size_t len) in crc32_le_arch() argument
39 crc = crc32_le_scalar(crc, p, n); in crc32_le_arch()
45 crc = crc32_pmull_le(p, n, crc); in crc32_le_arch()
49 return crc32_le_scalar(crc, p, len); in crc32_le_arch()
52 static inline u32 crc32c_scalar(u32 crc, const u8 *p, size_t len) in crc32c_scalar() argument
55 return crc32c_armv8_le(crc, p, len); in crc32c_scalar()
56 return crc32c_base(crc, p, len); in crc32c_scalar()
[all …]
/linux/lib/crc/tests/
H A Dcrc_kunit.c45 u64 (*func)(u64 crc, const u8 *p, size_t len);
67 u64 crc, const u8 *p, size_t len) in crc_ref()
74 crc ^= (p[i] >> j) & 1; in crc_ref()
75 crc = (crc >> 1) ^ ((crc & 1) ? v->poly : 0); in crc_ref()
77 crc ^= (u64)((p[i] >> (7 - j)) & 1) << in crc_ref()
79 if (crc & (1ULL << (v->bits - 1))) in crc_ref()
80 crc = ((crc << 1) ^ v->poly) & in crc_ref()
83 crc <<= 1; in crc_ref()
87 return crc; in crc_ref()
235 u64 (*crc_func)(u64 crc, const u8 *p, size_t len)) in crc_benchmark() argument
[all …]
/linux/lib/crc/x86/
H A Dcrc32.h18 static inline u32 crc32_le_arch(u32 crc, const u8 *p, size_t len) in crc32_le_arch() argument
20 CRC_PCLMUL(crc, p, len, crc32_lsb, crc32_lsb_0xedb88320_consts, in crc32_le_arch()
22 return crc32_le_base(crc, p, len); in crc32_le_arch()
37 asmlinkage u32 crc32c_x86_3way(u32 crc, const u8 *buffer, size_t len);
39 static inline u32 crc32c_arch(u32 crc, const u8 *p, size_t len) in crc32c_arch() argument
44 return crc32c_base(crc, p, len); in crc32c_arch()
72 crc = crc32_lsb_vpclmul_avx512(crc, p, len, in crc32c_arch()
75 crc = crc32c_x86_3way(crc, p, len); in crc32c_arch()
77 return crc; in crc32c_arch()
90 asm(CRC32_INST : "+r" (crc) : ASM_INPUT_RM (*(unsigned long *)p)); in crc32c_arch()
[all …]
/linux/lib/crc/powerpc/
H A Dcrc-t10dif.h23 u32 __crct10dif_vpmsum(u32 crc, unsigned char const *p, size_t len);
29 u32 crc = crci; in crc_t10dif_arch() local
34 return crc_t10dif_generic(crc, p, len); in crc_t10dif_arch()
38 crc = crc_t10dif_generic(crc, p, prealign); in crc_t10dif_arch()
44 crc <<= 16; in crc_t10dif_arch()
48 crc = __crct10dif_vpmsum(crc, p, len & ~VMX_ALIGN_MASK); in crc_t10dif_arch()
52 crc >>= 16; in crc_t10dif_arch()
58 crc = crc_t10dif_generic(crc, p, tail); in crc_t10dif_arch()
61 return crc & 0xffff; in crc_t10dif_arch()
H A Dcrc32.h19 u32 __crc32c_vpmsum(u32 crc, const u8 *p, size_t len);
21 static inline u32 crc32c_arch(u32 crc, const u8 *p, size_t len) in crc32c_arch() argument
29 return crc32c_base(crc, p, len); in crc32c_arch()
33 crc = crc32c_base(crc, p, prealign); in crc32c_arch()
42 crc = __crc32c_vpmsum(crc, p, len & ~VMX_ALIGN_MASK); in crc32c_arch()
51 crc = crc32c_base(crc, p, tail); in crc32c_arch()
54 return crc; in crc32c_arch()
/linux/fs/xfs/libxfs/
H A Dxfs_cksum.h17 uint32_t crc; in xfs_start_cksum_safe() local
20 crc = crc32c(XFS_CRC_SEED, buffer, cksum_offset); in xfs_start_cksum_safe()
23 crc = crc32c(crc, &zero, sizeof(__u32)); in xfs_start_cksum_safe()
26 return crc32c(crc, &buffer[cksum_offset + sizeof(__be32)], in xfs_start_cksum_safe()
52 xfs_end_cksum(uint32_t crc) in xfs_end_cksum() argument
54 return ~cpu_to_le32(crc); in xfs_end_cksum()
66 uint32_t crc = xfs_start_cksum_update(buffer, length, cksum_offset); in xfs_update_cksum() local
68 *(__le32 *)(buffer + cksum_offset) = xfs_end_cksum(crc); in xfs_update_cksum()
77 uint32_t crc = xfs_start_cksum_safe(buffer, length, cksum_offset); in xfs_verify_cksum() local
79 return *(__le32 *)(buffer + cksum_offset) == xfs_end_cksum(crc); in xfs_verify_cksum()
/linux/fs/ocfs2/
H A Dblockcheck.c352 u32 crc; in ocfs2_block_check_compute() local
357 crc = crc32_le(~0, data, blocksize); in ocfs2_block_check_compute()
366 bc->bc_crc32e = cpu_to_le32(crc); in ocfs2_block_check_compute()
385 u32 crc, ecc; in ocfs2_block_check_validate() local
395 crc = crc32_le(~0, data, blocksize); in ocfs2_block_check_validate()
396 if (crc == bc_crc32e) in ocfs2_block_check_validate()
402 (unsigned int)bc_crc32e, (unsigned int)crc); in ocfs2_block_check_validate()
409 crc = crc32_le(~0, data, blocksize); in ocfs2_block_check_validate()
410 if (crc == bc_crc32e) { in ocfs2_block_check_validate()
416 (unsigned int)bc_crc32e, (unsigned int)crc); in ocfs2_block_check_validate()
[all …]
/linux/kernel/module/
H A Dversion.c16 const u32 *crc) in check_version() argument
25 if (!crc) in check_version()
33 if (*version_ext.crc == *crc) in check_version()
36 *crc, *version_ext.crc); in check_version()
58 crcval = *crc; in check_version()
59 if (versions[i].crc == crcval) in check_version()
62 crcval, versions[i].crc); in check_version()
93 return check_version(info, "module_layout", mod, fsa.crc); in check_modstruct_version()
[all...]
/linux/drivers/ipack/
H A Dipack.c265 static u16 ipack_crc_byte(u16 crc, u8 c) in ipack_crc_byte() argument
269 crc ^= c << 8; in ipack_crc_byte()
271 crc = (crc << 1) ^ ((crc & 0x8000) ? 0x1021 : 0); in ipack_crc_byte()
272 return crc; in ipack_crc_byte()
282 u16 crc; in ipack_calc_crc1() local
285 crc = 0xffff; in ipack_calc_crc1()
288 crc = ipack_crc_byte(crc, c); in ipack_calc_crc1()
290 crc = ~crc; in ipack_calc_crc1()
291 return crc & 0xff; in ipack_calc_crc1()
297 u16 crc; in ipack_calc_crc2() local
[all …]
/linux/kernel/power/
H A Dswap.c576 struct crc_data *crc; in alloc_crc_data() local
578 crc = kzalloc(sizeof(*crc), GFP_KERNEL); in alloc_crc_data()
579 if (!crc) in alloc_crc_data()
582 crc->unc = kcalloc(nr_threads, sizeof(*crc->unc), GFP_KERNEL); in alloc_crc_data()
583 if (!crc->unc) in alloc_crc_data()
586 crc->unc_len = kcalloc(nr_threads, sizeof(*crc->unc_len), GFP_KERNEL); in alloc_crc_data()
587 if (!crc->unc_len) in alloc_crc_data()
590 return crc; in alloc_crc_data()
593 kfree(crc->unc); in alloc_crc_data()
595 kfree(crc); in alloc_crc_data()
[all …]
/linux/lib/crc/s390/
H A Dcrc32.h26 static inline u32 ___fname(u32 crc, const u8 *data, size_t datalen) \
32 return ___crc32_sw(crc, data, datalen); \
38 crc = ___crc32_sw(crc, data, prealign); \
46 crc = ___crc32_vx(crc, data, aligned); \
50 crc = ___crc32_sw(crc, data + aligned, remaining); \
52 return crc; \
/linux/drivers/nfc/nxp-nci/
H A Dfirmware.c76 u16 crc = 0xffff; in nxp_nci_fw_crc() local
79 crc = ((crc >> 8) | (crc << 8)) ^ *buffer++; in nxp_nci_fw_crc()
80 crc ^= (crc & 0xff) >> 4; in nxp_nci_fw_crc()
81 crc ^= (crc & 0xff) << 12; in nxp_nci_fw_crc()
82 crc ^= (crc & 0xff) << 5; in nxp_nci_fw_crc()
85 return crc; in nxp_nci_fw_crc()
91 u16 header, crc; in nxp_nci_fw_send_chunk() local
116 crc = nxp_nci_fw_crc(skb->data, chunk_len + NXP_NCI_FW_HDR_LEN); in nxp_nci_fw_send_chunk()
117 put_unaligned_be16(crc, skb_put(skb, NXP_NCI_FW_CRC_LEN)); in nxp_nci_fw_send_chunk()
280 u16 crc, frame_crc; in nxp_nci_fw_check_crc() local
[all …]
/linux/lib/crc/sparc/
H A Dcrc32.h21 static inline u32 crc32c_arch(u32 crc, const u8 *data, size_t len) in crc32c_arch() argument
26 return crc32c_base(crc, data, len); in crc32c_arch()
31 crc = crc32c_base(crc, data, n); in crc32c_arch()
37 crc32c_sparc64(&crc, (const u64 *)data, n); in crc32c_arch()
42 crc = crc32c_base(crc, data, len); in crc32c_arch()
43 return crc; in crc32c_arch()

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